##  [Coupling Matrix](/coupling-matrix) 

  ##  [Coupling Matrix](https://engineering.quantumdictionary.io/coupling-matrix-0) 

  

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**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A coupling matrix is a mathematical representation—commonly a matrix—whose entries quantify the magnitude and directional influence between multiple interacting system variables, subsystems, or physical domains, enabling analysis of cross‑effects, decoupling, and linear approximations of interactions near an operating point.